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OLIGOCENE
MIOCENE
PLIOCENE
(33.7)
(23.8)
(5.3-2.6)
(4027 MYA)
(2.58MYA - PRESENT)
(23-2,58 MYA)
TERTIARY 
NEOGENE
(66-23 MYA)
541 MILLION YEARS AGO- TO PRESENT
PHANEROZOIC EON
  • Pangaea began separating into the modern continents, and the modern Rocky Mountains rose. 
  • Dinosaurs, crocodiles, and pterosaurs ruled the land and air. 
  • As climate changed and rapid plate tectonics resulted in shallow ocean basins, sea levels rose world-wide and seas expanded across the center of North America.

AGE OF EARLY LIFE
  • The mountains began forming during the Ordovician.
  • Elevations similar to Himalayas
  • The massive cliffs represent a Permian-age reef along the supercontinent Pangaea. The uppermost rocks of Grand Canyon National Park are also Permian.
  • Fish diversified and marine organisms were very abundant.
  • Massive ice sheets advanced and retreated across North America during much of the QUATERNARY.
  • The Pleistocene Ice Ages began about 2.6 MYA.
  • The "Age of Mammals" also includes humans—the earliest known evidence of Homo sapiens in the fossil record is from 300,000 years ago.
AGE OF MAMMALS
(.01- PRESENT)
(2.6-0.01)
HOLOCENA
PLEINSTOCENE
  • Humans develop
  • Age of mammals
  • Extintion of dinosours and many other species
  • Common Cenozoic fossils include cat-like carnivores and early horses, as well as ice age woolly mammoths.
(54.8)
(65)
QUATERNARY
EOCENE
PELEOCENE
TERTIARY
 PALOGENE
  • First flowering plants
  • First birds
  • Dinosours dominant
  • Common Mesozoic fossils include dinosaur bones and teeth, and diverse plant fossils.
AGE OF REPTILES
(144 MYA)
CRETACEOUS 
AGE OF REPTILES
(206MYA)
JURASSIC
(490 MYA) 
TRIASSIC
(354 MYA
  • Extinction of trilobites and many other marine animals
  • First reptiles
  • Large coal swamps
  • Large Amphibians abundant.

PERMIAN
AGE OF AMPHIBIANS
(323 MYA)
(era)
66 MILLION YEARS AGO- PRESENT
CENOZOIC
252- 66 MILLION YEARS AGO
MESOZOIC
541-252 million years ago 
Paleozoic 
AGE OF FISHES
AGE OF AMPHIBIANS
(323MYA)
CARBONIFEROUS MISSISSIPIAN/PENNYSLVANIAN
(417 MYA)
(443 MYA)
(490 MYA)
ORDOVICIAN
SILURIAN
(540 MYA)
AGE OF INVERTIBRATES
  • First insect fossils
  • Fishes dominant
  • First land plants
  • First fishes
  • Trilobites dominant
  • First organisms with shells 

  • First multicelled organisms
  • First one-celled organisms
  • Origin of earth
(HADEAN EON, ARCHEAN EON, PROTEROZOIC)
  • First rocks
  • Massive volcanic activity
  • Archean: first areas of continental crust appeared 
  • The earliest types of fossils to be found in any quantity are traces of microbial mats. 
Comprises about 88% of geologic time 
(4500)
PRECAMBRIAN
Mariana Arzoz Spada #4
Geological timeline
CAMBRIAN
DEVONIAN
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Transcript

(4027 MYA)

(2.58MYA - PRESENT)

(23-2,58 MYA)

TERTIARY NEOGENE

(66-23 MYA)

541 MILLION YEARS AGO- TO PRESENT

PHANEROZOIC EON

  • Pangaea began separating into the modern continents, and the modern Rocky Mountains rose.
  • Dinosaurs, crocodiles, and pterosaurs ruled the land and air.
  • As climate changed and rapid plate tectonics resulted in shallow ocean basins, sea levels rose world-wide and seas expanded across the center of North America.

AGE OF EARLY LIFE

  • The mountains began forming during the Ordovician.
  • Elevations similar to Himalayas
  • The massive cliffs represent a Permian-age reef along the supercontinent Pangaea. The uppermost rocks of Grand Canyon National Park are also Permian.
  • Fish diversified and marine organisms were very abundant.
  • Massive ice sheets advanced and retreated across North America during much of the QUATERNARY.
  • The Pleistocene Ice Ages began about 2.6 MYA.
  • The "Age of Mammals" also includes humans—the earliest known evidence of Homo sapiens in the fossil record is from 300,000 years ago.

AGE OF MAMMALS

(.01- PRESENT)

(2.6-0.01)

HOLOCENA

PLEINSTOCENE

  • Humans develop
  • Age of mammals
  • Extintion of dinosours and many other species
  • Common Cenozoic fossils include cat-like carnivores and early horses, as well as ice age woolly mammoths.

(5.3-2.6)

(23.8)

(33.7)

(54.8)

(65)

QUATERNARY

PLIOCENE

MIOCENE

OLIGOCENE

EOCENE

PELEOCENE

TERTIARY PALOGENE

  • First flowering plants
  • First birds
  • Dinosours dominant
  • Common Mesozoic fossils include dinosaur bones and teeth, and diverse plant fossils.

AGE OF REPTILES

(144 MYA)

CRETACEOUS

AGE OF REPTILES

(206MYA)

JURASSIC

(490 MYA)

TRIASSIC

(354 MYA

  • Extinction of trilobites and many other marine animals
  • First reptiles
  • Large coal swamps
  • Large Amphibians abundant.

PERMIAN

AGE OF AMPHIBIANS

(323 MYA)

(era)

66 MILLION YEARS AGO- PRESENT

CENOZOIC

252- 66 MILLION YEARS AGO

MESOZOIC

541-252 million years ago

Paleozoic

AGE OF FISHES

AGE OF AMPHIBIANS

(323MYA)

CARBONIFEROUS MISSISSIPIAN/PENNYSLVANIAN

(417 MYA)

(443 MYA)

(490 MYA)

ORDOVICIAN

SILURIAN

(540 MYA)

AGE OF INVERTIBRATES

  • First insect fossils
  • Fishes dominant
  • First land plants
  • First fishes
  • Trilobites dominant
  • First organisms with shells
  • First multicelled organisms
  • First one-celled organisms
  • Origin of earth
(HADEAN EON, ARCHEAN EON, PROTEROZOIC)
  • First rocks
  • Massive volcanic activity
  • Archean: first areas of continental crust appeared
  • The earliest types of fossils to be found in any quantity are traces of microbial mats.

PRECAMBRIAN

Mariana Arzoz Spada #4

Geological timeline

CAMBRIAN

(4500)

Comprises about 88% of geologic time

DEVONIAN